/*!
 * Modernizr v2.7.1
 * www.modernizr.com
 *
 * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton
 * Available under the BSD and MIT licenses: www.modernizr.com/license/
 */

/*
 * Modernizr tests which native CSS3 and HTML5 features are available in
 * the current UA and makes the results available to you in two ways:
 * as properties on a global Modernizr object, and as classes on the
 * <html> element. This information allows you to progressively enhance
 * your pages with a granular level of control over the experience.
 *
 * Modernizr has an optional (not included) conditional resource loader
 * called Modernizr.load(), based on Yepnope.js (yepnopejs.com).
 * To get a build that includes Modernizr.load(), as well as choosing
 * which tests to include, go to www.modernizr.com/download/
 *
 * Authors        Faruk Ates, Paul Irish, Alex Sexton
 * Contributors   Ryan Seddon, Ben Alman
 */

window.Modernizr = (function (window, document, undefined) {

	var version = '2.7.1',

    Modernizr = {},

    /*>>cssclasses*/
    // option for enabling the HTML classes to be added
    enableClasses = true,
    /*>>cssclasses*/

    docElement = document.documentElement,

    /**
     * Create our "modernizr" element that we do most feature tests on.
     */
    mod = 'modernizr',
    modElem = document.createElement(mod),
    mStyle = modElem.style,

    /**
     * Create the input element for various Web Forms feature tests.
     */
    inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/,

    /*>>smile*/
    smile = ':)',
    /*>>smile*/

    toString = {}.toString,

    // TODO :: make the prefixes more granular
    /*>>prefixes*/
    // List of property values to set for css tests. See ticket #21
    prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
    /*>>prefixes*/

    /*>>domprefixes*/
    // Following spec is to expose vendor-specific style properties as:
    //   elem.style.WebkitBorderRadius
    // and the following would be incorrect:
    //   elem.style.webkitBorderRadius

    // Webkit ghosts their properties in lowercase but Opera & Moz do not.
    // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+
    //   erik.eae.net/archives/2008/03/10/21.48.10/

    // More here: github.com/Modernizr/Modernizr/issues/issue/21
    omPrefixes = 'Webkit Moz O ms',

    cssomPrefixes = omPrefixes.split(' '),

    domPrefixes = omPrefixes.toLowerCase().split(' '),
    /*>>domprefixes*/

    /*>>ns*/
    ns = { 'svg': 'http://www.w3.org/2000/svg' },
    /*>>ns*/

    tests = {},
    inputs = {},
    attrs = {},

    classes = [],

    slice = classes.slice,

    featureName, // used in testing loop


    /*>>teststyles*/
    // Inject element with style element and some CSS rules
    injectElementWithStyles = function (rule, callback, nodes, testnames) {

    	var style, ret, node, docOverflow,
			div = document.createElement('div'),
			// After page load injecting a fake body doesn't work so check if body exists
			body = document.body,
			// IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it.
			fakeBody = body || document.createElement('body');

    	if (parseInt(nodes, 10)) {
    		// In order not to give false positives we create a node for each test
    		// This also allows the method to scale for unspecified uses
    		while (nodes--) {
    			node = document.createElement('div');
    			node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
    			div.appendChild(node);
    		}
    	}

    	// <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed
    	// when injected with innerHTML. To get around this you need to prepend the 'NoScope' element
    	// with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements.
    	// msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
    	// Documents served as xml will throw if using &shy; so use xml friendly encoded version. See issue #277
    	style = ['&#173;', '<style id="s', mod, '">', rule, '</style>'].join('');
    	div.id = mod;
    	// IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody.
    	// Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270
    	(body ? div : fakeBody).innerHTML += style;
    	fakeBody.appendChild(div);
    	if (!body) {
    		//avoid crashing IE8, if background image is used
    		fakeBody.style.background = '';
    		//Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
    		fakeBody.style.overflow = 'hidden';
    		docOverflow = docElement.style.overflow;
    		docElement.style.overflow = 'hidden';
    		docElement.appendChild(fakeBody);
    	}

    	ret = callback(div, rule);
    	// If this is done after page load we don't want to remove the body so check if body exists
    	if (!body) {
    		fakeBody.parentNode.removeChild(fakeBody);
    		docElement.style.overflow = docOverflow;
    	} else {
    		div.parentNode.removeChild(div);
    	}

    	return !!ret;

    },
    /*>>teststyles*/

    /*>>mq*/
    // adapted from matchMedia polyfill
    // by Scott Jehl and Paul Irish
    // gist.github.com/786768
    testMediaQuery = function (mq) {

    	var matchMedia = window.matchMedia || window.msMatchMedia;
    	if (matchMedia) {
    		return matchMedia(mq).matches;
    	}

    	var bool;

    	injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function (node) {
    		bool = (window.getComputedStyle ?
					  getComputedStyle(node, null) :
					  node.currentStyle)['position'] == 'absolute';
    	});

    	return bool;

    },
     /*>>mq*/


    /*>>hasevent*/
    //
    // isEventSupported determines if a given element supports the given event
    // kangax.github.com/iseventsupported/
    //
    // The following results are known incorrects:
    //   Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative
    //   Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333
    //   ...
    isEventSupported = (function () {

    	var TAGNAMES = {
    		'select': 'input', 'change': 'input',
    		'submit': 'form', 'reset': 'form',
    		'error': 'img', 'load': 'img', 'abort': 'img'
    	};

    	function isEventSupported(eventName, element) {

    		element = element || document.createElement(TAGNAMES[eventName] || 'div');
    		eventName = 'on' + eventName;

    		// When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
    		var isSupported = eventName in element;

    		if (!isSupported) {
    			// If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
    			if (!element.setAttribute) {
    				element = document.createElement('div');
    			}
    			if (element.setAttribute && element.removeAttribute) {
    				element.setAttribute(eventName, '');
    				isSupported = is(element[eventName], 'function');

    				// If property was created, "remove it" (by setting value to `undefined`)
    				if (!is(element[eventName], 'undefined')) {
    					element[eventName] = undefined;
    				}
    				element.removeAttribute(eventName);
    			}
    		}

    		element = null;
    		return isSupported;
    	}
    	return isEventSupported;
    })(),
    /*>>hasevent*/

    // TODO :: Add flag for hasownprop ? didn't last time

    // hasOwnProperty shim by kangax needed for Safari 2.0 support
    _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;

	if (!is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined')) {
		hasOwnProp = function (object, property) {
			return _hasOwnProperty.call(object, property);
		};
	}
	else {
		hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */
			return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
		};
	}

	// Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
	// es5.github.com/#x15.3.4.5

	if (!Function.prototype.bind) {
		Function.prototype.bind = function bind(that) {

			var target = this;

			if (typeof target != "function") {
				throw new TypeError();
			}

			var args = slice.call(arguments, 1),
				bound = function () {

					if (this instanceof bound) {

						var F = function () { };
						F.prototype = target.prototype;
						var self = new F();

						var result = target.apply(
							self,
							args.concat(slice.call(arguments))
						);
						if (Object(result) === result) {
							return result;
						}
						return self;

					} else {

						return target.apply(
							that,
							args.concat(slice.call(arguments))
						);

					}

				};

			return bound;
		};
	}

	/**
     * setCss applies given styles to the Modernizr DOM node.
     */
	function setCss(str) {
		mStyle.cssText = str;
	}

	/**
     * setCssAll extrapolates all vendor-specific css strings.
     */
	function setCssAll(str1, str2) {
		return setCss(prefixes.join(str1 + ';') + (str2 || ''));
	}

	/**
     * is returns a boolean for if typeof obj is exactly type.
     */
	function is(obj, type) {
		return typeof obj === type;
	}

	/**
     * contains returns a boolean for if substr is found within str.
     */
	function contains(str, substr) {
		return !!~('' + str).indexOf(substr);
	}

	/*>>testprop*/

	// testProps is a generic CSS / DOM property test.

	// In testing support for a given CSS property, it's legit to test:
	//    `elem.style[styleName] !== undefined`
	// If the property is supported it will return an empty string,
	// if unsupported it will return undefined.

	// We'll take advantage of this quick test and skip setting a style
	// on our modernizr element, but instead just testing undefined vs
	// empty string.

	// Because the testing of the CSS property names (with "-", as
	// opposed to the camelCase DOM properties) is non-portable and
	// non-standard but works in WebKit and IE (but not Gecko or Opera),
	// we explicitly reject properties with dashes so that authors
	// developing in WebKit or IE first don't end up with
	// browser-specific content by accident.

	function testProps(props, prefixed) {
		for (var i in props) {
			var prop = props[i];
			if (!contains(prop, "-") && mStyle[prop] !== undefined) {
				return prefixed == 'pfx' ? prop : true;
			}
		}
		return false;
	}
	/*>>testprop*/

	// TODO :: add testDOMProps
	/**
     * testDOMProps is a generic DOM property test; if a browser supports
     *   a certain property, it won't return undefined for it.
     */
	function testDOMProps(props, obj, elem) {
		for (var i in props) {
			var item = obj[props[i]];
			if (item !== undefined) {

				// return the property name as a string
				if (elem === false) return props[i];

				// let's bind a function
				if (is(item, 'function')) {
					// default to autobind unless override
					return item.bind(elem || obj);
				}

				// return the unbound function or obj or value
				return item;
			}
		}
		return false;
	}

	/*>>testallprops*/
	/**
     * testPropsAll tests a list of DOM properties we want to check against.
     *   We specify literally ALL possible (known and/or likely) properties on
     *   the element including the non-vendor prefixed one, for forward-
     *   compatibility.
     */
	function testPropsAll(prop, prefixed, elem) {

		var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
            props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');

		// did they call .prefixed('boxSizing') or are we just testing a prop?
		if (is(prefixed, "string") || is(prefixed, "undefined")) {
			return testProps(props, prefixed);

			// otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
		} else {
			props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
			return testDOMProps(props, prefixed, elem);
		}
	}
	/*>>testallprops*/


	/**
     * Tests
     * -----
     */

	// The *new* flexbox
	// dev.w3.org/csswg/css3-flexbox

	tests['flexbox'] = function () {
		return testPropsAll('flexWrap');
	};

	// The *old* flexbox
	// www.w3.org/TR/2009/WD-css3-flexbox-20090723/

	tests['flexboxlegacy'] = function () {
		return testPropsAll('boxDirection');
	};

	// On the S60 and BB Storm, getContext exists, but always returns undefined
	// so we actually have to call getContext() to verify
	// github.com/Modernizr/Modernizr/issues/issue/97/

	tests['canvas'] = function () {
		var elem = document.createElement('canvas');
		return !!(elem.getContext && elem.getContext('2d'));
	};

	tests['canvastext'] = function () {
		return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
	};

	// webk.it/70117 is tracking a legit WebGL feature detect proposal

	// We do a soft detect which may false positive in order to avoid
	// an expensive context creation: bugzil.la/732441

	tests['webgl'] = function () {
		return !!window.WebGLRenderingContext;
	};

	/*
     * The Modernizr.touch test only indicates if the browser supports
     *    touch events, which does not necessarily reflect a touchscreen
     *    device, as evidenced by tablets running Windows 7 or, alas,
     *    the Palm Pre / WebOS (touch) phones.
     *
     * Additionally, Chrome (desktop) used to lie about its support on this,
     *    but that has since been rectified: crbug.com/36415
     *
     * We also test for Firefox 4 Multitouch Support.
     *
     * For more info, see: modernizr.github.com/Modernizr/touch.html
     */

	tests['touch'] = function () {
		var bool;

		if (('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
			bool = true;
		} else {
			injectElementWithStyles(['@media (', prefixes.join('touch-enabled),('), mod, ')', '{#modernizr{top:9px;position:absolute}}'].join(''), function (node) {
				bool = node.offsetTop === 9;
			});
		}

		return bool;
	};


	// geolocation is often considered a trivial feature detect...
	// Turns out, it's quite tricky to get right:
	//
	// Using !!navigator.geolocation does two things we don't want. It:
	//   1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513
	//   2. Disables page caching in WebKit: webk.it/43956
	//
	// Meanwhile, in Firefox < 8, an about:config setting could expose
	// a false positive that would throw an exception: bugzil.la/688158

	tests['geolocation'] = function () {
		return 'geolocation' in navigator;
	};


	tests['postmessage'] = function () {
		return !!window.postMessage;
	};


	// Chrome incognito mode used to throw an exception when using openDatabase
	// It doesn't anymore.
	tests['websqldatabase'] = function () {
		return !!window.openDatabase;
	};

	// Vendors had inconsistent prefixing with the experimental Indexed DB:
	// - Webkit's implementation is accessible through webkitIndexedDB
	// - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB
	// For speed, we don't test the legacy (and beta-only) indexedDB
	tests['indexedDB'] = function () {
		return !!testPropsAll("indexedDB", window);
	};

	// documentMode logic from YUI to filter out IE8 Compat Mode
	//   which false positives.
	tests['hashchange'] = function () {
		return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7);
	};

	// Per 1.6:
	// This used to be Modernizr.historymanagement but the longer
	// name has been deprecated in favor of a shorter and property-matching one.
	// The old API is still available in 1.6, but as of 2.0 will throw a warning,
	// and in the first release thereafter disappear entirely.
	tests['history'] = function () {
		return !!(window.history && history.pushState);
	};

	tests['draganddrop'] = function () {
		var div = document.createElement('div');
		return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
	};

	// FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10
	// will be supported until FF19 (2/12/13), at which time, ESR becomes FF17.
	// FF10 still uses prefixes, so check for it until then.
	// for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/
	tests['websockets'] = function () {
		return 'WebSocket' in window || 'MozWebSocket' in window;
	};


	// css-tricks.com/rgba-browser-support/
	tests['rgba'] = function () {
		// Set an rgba() color and check the returned value

		setCss('background-color:rgba(150,255,150,.5)');

		return contains(mStyle.backgroundColor, 'rgba');
	};

	tests['hsla'] = function () {
		// Same as rgba(), in fact, browsers re-map hsla() to rgba() internally,
		//   except IE9 who retains it as hsla

		setCss('background-color:hsla(120,40%,100%,.5)');

		return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla');
	};

	tests['multiplebgs'] = function () {
		// Setting multiple images AND a color on the background shorthand property
		//  and then querying the style.background property value for the number of
		//  occurrences of "url(" is a reliable method for detecting ACTUAL support for this!

		setCss('background:url(https://),url(https://),red url(https://)');

		// If the UA supports multiple backgrounds, there should be three occurrences
		//   of the string "url(" in the return value for elemStyle.background

		return (/(url\s*\(.*?){3}/).test(mStyle.background);
	};



	// this will false positive in Opera Mini
	//   github.com/Modernizr/Modernizr/issues/396

	tests['backgroundsize'] = function () {
		return testPropsAll('backgroundSize');
	};

	tests['borderimage'] = function () {
		return testPropsAll('borderImage');
	};


	// Super comprehensive table about all the unique implementations of
	// border-radius: muddledramblings.com/table-of-css3-border-radius-compliance

	tests['borderradius'] = function () {
		return testPropsAll('borderRadius');
	};

	// WebOS unfortunately false positives on this test.
	tests['boxshadow'] = function () {
		return testPropsAll('boxShadow');
	};

	// FF3.0 will false positive on this test
	tests['textshadow'] = function () {
		return document.createElement('div').style.textShadow === '';
	};


	tests['opacity'] = function () {
		// Browsers that actually have CSS Opacity implemented have done so
		//  according to spec, which means their return values are within the
		//  range of [0.0,1.0] - including the leading zero.

		setCssAll('opacity:.55');

		// The non-literal . in this regex is intentional:
		//   German Chrome returns this value as 0,55
		// github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
		return (/^0.55$/).test(mStyle.opacity);
	};


	// Note, Android < 4 will pass this test, but can only animate
	//   a single property at a time
	//   daneden.me/2011/12/putting-up-with-androids-bullshit/
	tests['cssanimations'] = function () {
		return testPropsAll('animationName');
	};


	tests['csscolumns'] = function () {
		return testPropsAll('columnCount');
	};


	tests['cssgradients'] = function () {
		/**
         * For CSS Gradients syntax, please see:
         * webkit.org/blog/175/introducing-css-gradients/
         * developer.mozilla.org/en/CSS/-moz-linear-gradient
         * developer.mozilla.org/en/CSS/-moz-radial-gradient
         * dev.w3.org/csswg/css3-images/#gradients-
         */

		var str1 = 'background-image:',
            str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
            str3 = 'linear-gradient(left top,#9f9, white);';

		setCss(
             // legacy webkit syntax (FIXME: remove when syntax not in use anymore)
              (str1 + '-webkit- '.split(' ').join(str2 + str1) +
             // standard syntax             // trailing 'background-image:'
              prefixes.join(str3 + str1)).slice(0, -str1.length)
        );

		return contains(mStyle.backgroundImage, 'gradient');
	};


	tests['cssreflections'] = function () {
		return testPropsAll('boxReflect');
	};


	tests['csstransforms'] = function () {
		return !!testPropsAll('transform');
	};


	tests['csstransforms3d'] = function () {

		var ret = !!testPropsAll('perspective');

		// Webkit's 3D transforms are passed off to the browser's own graphics renderer.
		//   It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in
		//   some conditions. As a result, Webkit typically recognizes the syntax but
		//   will sometimes throw a false positive, thus we must do a more thorough check:
		if (ret && 'webkitPerspective' in docElement.style) {

			// Webkit allows this media query to succeed only if the feature is enabled.
			// `@media (transform-3d),(-webkit-transform-3d){ ... }`
			injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function (node, rule) {
				ret = node.offsetLeft === 9 && node.offsetHeight === 3;
			});
		}
		return ret;
	};


	tests['csstransitions'] = function () {
		return testPropsAll('transition');
	};


	/*>>fontface*/
	// @font-face detection routine by Diego Perini
	// javascript.nwbox.com/CSSSupport/

	// false positives:
	//   WebOS github.com/Modernizr/Modernizr/issues/342
	//   WP7   github.com/Modernizr/Modernizr/issues/538
	tests['fontface'] = function () {
		var bool;

		injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function (node, rule) {
			var style = document.getElementById('smodernizr'),
				sheet = style.sheet || style.styleSheet,
				cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : '';

			bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0;
		});

		return bool;
	};
	/*>>fontface*/

	// CSS generated content detection
	tests['generatedcontent'] = function () {
		var bool;

		injectElementWithStyles(['#', mod, '{font:0/0 a}#', mod, ':after{content:"', smile, '";visibility:hidden;font:3px/1 a}'].join(''), function (node) {
			bool = node.offsetHeight >= 3;
		});

		return bool;
	};



	// These tests evaluate support of the video/audio elements, as well as
	// testing what types of content they support.
	//
	// We're using the Boolean constructor here, so that we can extend the value
	// e.g.  Modernizr.video     // true
	//       Modernizr.video.ogg // 'probably'
	//
	// Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
	//                     thx to NielsLeenheer and zcorpan

	// Note: in some older browsers, "no" was a return value instead of empty string.
	//   It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2
	//   It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5

	tests['video'] = function () {
		var elem = document.createElement('video'),
            bool = false;

		// IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
		try {
			if (bool = !!elem.canPlayType) {
				bool = new Boolean(bool);
				bool.ogg = elem.canPlayType('video/ogg; codecs="theora"').replace(/^no$/, '');

				// Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
				bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"').replace(/^no$/, '');

				bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/, '');
			}

		} catch (e) { }

		return bool;
	};

	tests['audio'] = function () {
		var elem = document.createElement('audio'),
            bool = false;

		try {
			if (bool = !!elem.canPlayType) {
				bool = new Boolean(bool);
				bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, '');
				bool.mp3 = elem.canPlayType('audio/mpeg;').replace(/^no$/, '');

				// Mimetypes accepted:
				//   developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
				//   bit.ly/iphoneoscodecs
				bool.wav = elem.canPlayType('audio/wav; codecs="1"').replace(/^no$/, '');
				bool.m4a = (elem.canPlayType('audio/x-m4a;') ||
                              elem.canPlayType('audio/aac;')).replace(/^no$/, '');
			}
		} catch (e) { }

		return bool;
	};


	// In FF4, if disabled, window.localStorage should === null.

	// Normally, we could not test that directly and need to do a
	//   `('localStorage' in window) && ` test first because otherwise Firefox will
	//   throw bugzil.la/365772 if cookies are disabled

	// Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem
	// will throw the exception:
	//   QUOTA_EXCEEDED_ERRROR DOM Exception 22.
	// Peculiarly, getItem and removeItem calls do not throw.

	// Because we are forced to try/catch this, we'll go aggressive.

	// Just FWIW: IE8 Compat mode supports these features completely:
	//   www.quirksmode.org/dom/html5.html
	// But IE8 doesn't support either with local files

	tests['localstorage'] = function () {
		try {
			localStorage.setItem(mod, mod);
			localStorage.removeItem(mod);
			return true;
		} catch (e) {
			return false;
		}
	};

	tests['sessionstorage'] = function () {
		try {
			sessionStorage.setItem(mod, mod);
			sessionStorage.removeItem(mod);
			return true;
		} catch (e) {
			return false;
		}
	};


	tests['webworkers'] = function () {
		return !!window.Worker;
	};


	tests['applicationcache'] = function () {
		return !!window.applicationCache;
	};


	// Thanks to Erik Dahlstrom
	tests['svg'] = function () {
		return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
	};

	// specifically for SVG inline in HTML, not within XHTML
	// test page: paulirish.com/demo/inline-svg
	tests['inlinesvg'] = function () {
		var div = document.createElement('div');
		div.innerHTML = '<svg/>';
		return (div.firstChild && div.firstChild.namespaceURI) == ns.svg;
	};

	// SVG SMIL animation
	tests['smil'] = function () {
		return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
	};

	// This test is only for clip paths in SVG proper, not clip paths on HTML content
	// demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg

	// However read the comments to dig into applying SVG clippaths to HTML content here:
	//   github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491
	tests['svgclippaths'] = function () {
		return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
	};

	/*>>webforms*/
	// input features and input types go directly onto the ret object, bypassing the tests loop.
	// Hold this guy to execute in a moment.
	function webforms() {
		/*>>input*/
		// Run through HTML5's new input attributes to see if the UA understands any.
		// We're using f which is the <input> element created early on
		// Mike Taylr has created a comprehensive resource for testing these attributes
		//   when applied to all input types:
		//   miketaylr.com/code/input-type-attr.html
		// spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary

		// Only input placeholder is tested while textarea's placeholder is not.
		// Currently Safari 4 and Opera 11 have support only for the input placeholder
		// Both tests are available in feature-detects/forms-placeholder.js
		Modernizr['input'] = (function (props) {
			for (var i = 0, len = props.length; i < len; i++) {
				attrs[props[i]] = !!(props[i] in inputElem);
			}
			if (attrs.list) {
				// safari false positive's on datalist: webk.it/74252
				// see also github.com/Modernizr/Modernizr/issues/146
				attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement);
			}
			return attrs;
		})('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
		/*>>input*/

		/*>>inputtypes*/
		// Run through HTML5's new input types to see if the UA understands any.
		//   This is put behind the tests runloop because it doesn't return a
		//   true/false like all the other tests; instead, it returns an object
		//   containing each input type with its corresponding true/false value

		// Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/
		Modernizr['inputtypes'] = (function (props) {

			for (var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++) {

				inputElem.setAttribute('type', inputElemType = props[i]);
				bool = inputElem.type !== 'text';

				// We first check to see if the type we give it sticks..
				// If the type does, we feed it a textual value, which shouldn't be valid.
				// If the value doesn't stick, we know there's input sanitization which infers a custom UI
				if (bool) {

					inputElem.value = smile;
					inputElem.style.cssText = 'position:absolute;visibility:hidden;';

					if (/^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined) {

						docElement.appendChild(inputElem);
						defaultView = document.defaultView;

						// Safari 2-4 allows the smiley as a value, despite making a slider
						bool = defaultView.getComputedStyle &&
								defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' &&
								// Mobile android web browser has false positive, so must
								// check the height to see if the widget is actually there.
								(inputElem.offsetHeight !== 0);

						docElement.removeChild(inputElem);

					} else if (/^(search|tel)$/.test(inputElemType)) {
						// Spec doesn't define any special parsing or detectable UI
						//   behaviors so we pass these through as true

						// Interestingly, opera fails the earlier test, so it doesn't
						//  even make it here.

					} else if (/^(url|email)$/.test(inputElemType)) {
						// Real url and email support comes with prebaked validation.
						bool = inputElem.checkValidity && inputElem.checkValidity() === false;

					} else {
						// If the upgraded input compontent rejects the :) text, we got a winner
						bool = inputElem.value != smile;
					}
				}

				inputs[props[i]] = !!bool;
			}
			return inputs;
		})('search tel url email datetime date month week time datetime-local number range color'.split(' '));
		/*>>inputtypes*/
	}
	/*>>webforms*/


	// End of test definitions
	// -----------------------



	// Run through all tests and detect their support in the current UA.
	// todo: hypothetically we could be doing an array of tests and use a basic loop here.
	for (var feature in tests) {
		if (hasOwnProp(tests, feature)) {
			// run the test, throw the return value into the Modernizr,
			//   then based on that boolean, define an appropriate className
			//   and push it into an array of classes we'll join later.
			featureName = feature.toLowerCase();
			Modernizr[featureName] = tests[feature]();

			classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
		}
	}

	/*>>webforms*/
	// input tests need to run.
	Modernizr.input || webforms();
	/*>>webforms*/


	/**
     * addTest allows the user to define their own feature tests
     * the result will be added onto the Modernizr object,
     * as well as an appropriate className set on the html element
     *
     * @param feature - String naming the feature
     * @param test - Function returning true if feature is supported, false if not
     */
	Modernizr.addTest = function (feature, test) {
		if (typeof feature == 'object') {
			for (var key in feature) {
				if (hasOwnProp(feature, key)) {
					Modernizr.addTest(key, feature[key]);
				}
			}
		} else {

			feature = feature.toLowerCase();

			if (Modernizr[feature] !== undefined) {
				// we're going to quit if you're trying to overwrite an existing test
				// if we were to allow it, we'd do this:
				//   var re = new RegExp("\\b(no-)?" + feature + "\\b");
				//   docElement.className = docElement.className.replace( re, '' );
				// but, no rly, stuff 'em.
				return Modernizr;
			}

			test = typeof test == 'function' ? test() : test;

			if (typeof enableClasses !== "undefined" && enableClasses) {
				docElement.className += ' ' + (test ? '' : 'no-') + feature;
			}
			Modernizr[feature] = test;

		}

		return Modernizr; // allow chaining.
	};


	// Reset modElem.cssText to nothing to reduce memory footprint.
	setCss('');
	modElem = inputElem = null;

	/*>>shiv*/
	/**
     * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
     */
	; (function (window, document) {
		/*jshint evil:true */
		/** version */
		var version = '3.7.0';

		/** Preset options */
		var options = window.html5 || {};

		/** Used to skip problem elements */
		var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;

		/** Not all elements can be cloned in IE **/
		var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;

		/** Detect whether the browser supports default html5 styles */
		var supportsHtml5Styles;

		/** Name of the expando, to work with multiple documents or to re-shiv one document */
		var expando = '_html5shiv';

		/** The id for the the documents expando */
		var expanID = 0;

		/** Cached data for each document */
		var expandoData = {};

		/** Detect whether the browser supports unknown elements */
		var supportsUnknownElements;

		(function () {
			try {
				var a = document.createElement('a');
				a.innerHTML = '<xyz></xyz>';
				//if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
				supportsHtml5Styles = ('hidden' in a);

				supportsUnknownElements = a.childNodes.length == 1 || (function () {
					// assign a false positive if unable to shiv
					(document.createElement)('a');
					var frag = document.createDocumentFragment();
					return (
					  typeof frag.cloneNode == 'undefined' ||
					  typeof frag.createDocumentFragment == 'undefined' ||
					  typeof frag.createElement == 'undefined'
					);
				}());
			} catch (e) {
				// assign a false positive if detection fails => unable to shiv
				supportsHtml5Styles = true;
				supportsUnknownElements = true;
			}

		}());

		/*--------------------------------------------------------------------------*/

		/**
         * Creates a style sheet with the given CSS text and adds it to the document.
         * @private
         * @param {Document} ownerDocument The document.
         * @param {String} cssText The CSS text.
         * @returns {StyleSheet} The style element.
         */
		function addStyleSheet(ownerDocument, cssText) {
			var p = ownerDocument.createElement('p'),
			parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;

			p.innerHTML = 'x<style>' + cssText + '</style>';
			return parent.insertBefore(p.lastChild, parent.firstChild);
		}

		/**
         * Returns the value of `html5.elements` as an array.
         * @private
         * @returns {Array} An array of shived element node names.
         */
		function getElements() {
			var elements = html5.elements;
			return typeof elements == 'string' ? elements.split(' ') : elements;
		}

		/**
         * Returns the data associated to the given document
         * @private
         * @param {Document} ownerDocument The document.
         * @returns {Object} An object of data.
         */
		function getExpandoData(ownerDocument) {
			var data = expandoData[ownerDocument[expando]];
			if (!data) {
				data = {};
				expanID++;
				ownerDocument[expando] = expanID;
				expandoData[expanID] = data;
			}
			return data;
		}

		/**
         * returns a shived element for the given nodeName and document
         * @memberOf html5
         * @param {String} nodeName name of the element
         * @param {Document} ownerDocument The context document.
         * @returns {Object} The shived element.
         */
		function createElement(nodeName, ownerDocument, data) {
			if (!ownerDocument) {
				ownerDocument = document;
			}
			if (supportsUnknownElements) {
				return ownerDocument.createElement(nodeName);
			}
			if (!data) {
				data = getExpandoData(ownerDocument);
			}
			var node;

			if (data.cache[nodeName]) {
				node = data.cache[nodeName].cloneNode();
			} else if (saveClones.test(nodeName)) {
				node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
			} else {
				node = data.createElem(nodeName);
			}

			// Avoid adding some elements to fragments in IE < 9 because
			// * Attributes like `name` or `type` cannot be set/changed once an element
			//   is inserted into a document/fragment
			// * Link elements with `src` attributes that are inaccessible, as with
			//   a 403 response, will cause the tab/window to crash
			// * Script elements appended to fragments will execute when their `src`
			//   or `text` property is set
			return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
		}

		/**
         * returns a shived DocumentFragment for the given document
         * @memberOf html5
         * @param {Document} ownerDocument The context document.
         * @returns {Object} The shived DocumentFragment.
         */
		function createDocumentFragment(ownerDocument, data) {
			if (!ownerDocument) {
				ownerDocument = document;
			}
			if (supportsUnknownElements) {
				return ownerDocument.createDocumentFragment();
			}
			data = data || getExpandoData(ownerDocument);
			var clone = data.frag.cloneNode(),
			i = 0,
			elems = getElements(),
			l = elems.length;
			for (; i < l; i++) {
				clone.createElement(elems[i]);
			}
			return clone;
		}

		/**
         * Shivs the `createElement` and `createDocumentFragment` methods of the document.
         * @private
         * @param {Document|DocumentFragment} ownerDocument The document.
         * @param {Object} data of the document.
         */
		function shivMethods(ownerDocument, data) {
			if (!data.cache) {
				data.cache = {};
				data.createElem = ownerDocument.createElement;
				data.createFrag = ownerDocument.createDocumentFragment;
				data.frag = data.createFrag();
			}


			ownerDocument.createElement = function (nodeName) {
				//abort shiv
				if (!html5.shivMethods) {
					return data.createElem(nodeName);
				}
				return createElement(nodeName, ownerDocument, data);
			};

			ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
															'var n=f.cloneNode(),c=n.createElement;' +
															'h.shivMethods&&(' +
															// unroll the `createElement` calls
															getElements().join().replace(/[\w\-]+/g, function (nodeName) {
																data.createElem(nodeName);
																data.frag.createElement(nodeName);
																return 'c("' + nodeName + '")';
															}) +
			  ');return n}'
														   )(html5, data.frag);
		}

		/*--------------------------------------------------------------------------*/

		/**
         * Shivs the given document.
         * @memberOf html5
         * @param {Document} ownerDocument The document to shiv.
         * @returns {Document} The shived document.
         */
		function shivDocument(ownerDocument) {
			if (!ownerDocument) {
				ownerDocument = document;
			}
			var data = getExpandoData(ownerDocument);

			if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
				data.hasCSS = !!addStyleSheet(ownerDocument,
											  // corrects block display not defined in IE6/7/8/9
											  'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
												// adds styling not present in IE6/7/8/9
												'mark{background:#FF0;color:#000}' +
												// hides non-rendered elements
												'template{display:none}'
											 );
			}
			if (!supportsUnknownElements) {
				shivMethods(ownerDocument, data);
			}
			return ownerDocument;
		}

		/*--------------------------------------------------------------------------*/

		/**
         * The `html5` object is exposed so that more elements can be shived and
         * existing shiving can be detected on iframes.
         * @type Object
         * @example
         *
         * // options can be changed before the script is included
         * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
         */
		var html5 = {

			/**
			 * An array or space separated string of node names of the elements to shiv.
			 * @memberOf html5
			 * @type Array|String
			 */
			'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video',

			/**
			 * current version of html5shiv
			 */
			'version': version,

			/**
			 * A flag to indicate that the HTML5 style sheet should be inserted.
			 * @memberOf html5
			 * @type Boolean
			 */
			'shivCSS': (options.shivCSS !== false),

			/**
			 * Is equal to true if a browser supports creating unknown/HTML5 elements
			 * @memberOf html5
			 * @type boolean
			 */
			'supportsUnknownElements': supportsUnknownElements,

			/**
			 * A flag to indicate that the document's `createElement` and `createDocumentFragment`
			 * methods should be overwritten.
			 * @memberOf html5
			 * @type Boolean
			 */
			'shivMethods': (options.shivMethods !== false),

			/**
			 * A string to describe the type of `html5` object ("default" or "default print").
			 * @memberOf html5
			 * @type String
			 */
			'type': 'default',

			// shivs the document according to the specified `html5` object options
			'shivDocument': shivDocument,

			//creates a shived element
			createElement: createElement,

			//creates a shived documentFragment
			createDocumentFragment: createDocumentFragment
		};

		/*--------------------------------------------------------------------------*/

		// expose html5
		window.html5 = html5;

		// shiv the document
		shivDocument(document);

	}(this, document));
	/*>>shiv*/

	// Assign private properties to the return object with prefix
	Modernizr._version = version;

	// expose these for the plugin API. Look in the source for how to join() them against your input
	/*>>prefixes*/
	Modernizr._prefixes = prefixes;
	/*>>prefixes*/
	/*>>domprefixes*/
	Modernizr._domPrefixes = domPrefixes;
	Modernizr._cssomPrefixes = cssomPrefixes;
	/*>>domprefixes*/

	/*>>mq*/
	// Modernizr.mq tests a given media query, live against the current state of the window
	// A few important notes:
	//   * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false
	//   * A max-width or orientation query will be evaluated against the current state, which may change later.
	//   * You must specify values. Eg. If you are testing support for the min-width media query use:
	//       Modernizr.mq('(min-width:0)')
	// usage:
	// Modernizr.mq('only screen and (max-width:768)')
	Modernizr.mq = testMediaQuery;
	/*>>mq*/

	/*>>hasevent*/
	// Modernizr.hasEvent() detects support for a given event, with an optional element to test on
	// Modernizr.hasEvent('gesturestart', elem)
	Modernizr.hasEvent = isEventSupported;
	/*>>hasevent*/

	/*>>testprop*/
	// Modernizr.testProp() investigates whether a given style property is recognized
	// Note that the property names must be provided in the camelCase variant.
	// Modernizr.testProp('pointerEvents')
	Modernizr.testProp = function (prop) {
		return testProps([prop]);
	};
	/*>>testprop*/

	/*>>testallprops*/
	// Modernizr.testAllProps() investigates whether a given style property,
	//   or any of its vendor-prefixed variants, is recognized
	// Note that the property names must be provided in the camelCase variant.
	// Modernizr.testAllProps('boxSizing')
	Modernizr.testAllProps = testPropsAll;
	/*>>testallprops*/


	/*>>teststyles*/
	// Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards
	// Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... })
	Modernizr.testStyles = injectElementWithStyles;
	/*>>teststyles*/


	/*>>prefixed*/
	// Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input
	// Modernizr.prefixed('boxSizing') // 'MozBoxSizing'

	// Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style.
	// Return values will also be the camelCase variant, if you need to translate that to hypenated style use:
	//
	//     str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-');

	// If you're trying to ascertain which transition end event to bind to, you might do something like...
	//
	//     var transEndEventNames = {
	//       'WebkitTransition' : 'webkitTransitionEnd',
	//       'MozTransition'    : 'transitionend',
	//       'OTransition'      : 'oTransitionEnd',
	//       'msTransition'     : 'MSTransitionEnd',
	//       'transition'       : 'transitionend'
	//     },
	//     transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];

	Modernizr.prefixed = function (prop, obj, elem) {
		if (!obj) {
			return testPropsAll(prop, 'pfx');
		} else {
			// Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame'
			return testPropsAll(prop, obj, elem);
		}
	};
	/*>>prefixed*/


	/*>>cssclasses*/
	// Remove "no-js" class from <html> element, if it exists:
	docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +

                            // Add the new classes to the <html> element.
                            (enableClasses ? ' js ' + classes.join(' ') : '');
	/*>>cssclasses*/

	return Modernizr;

})(this, this.document);